Seven Sisters Skyline

Challenge your endurance and test your limits at the Seven Sisters Skyline Ireland, a premier mountain running event in the rugged Derryveagh Mountains of Donegal. Renowned as the toughest mountain race in Ireland, this 55km course features a demanding 4,000m ascent. For those seeking international competition, the event also hosts a 30k race, marking Ireland's debut as a Mountain Running World Cup venue. This exhilarating route leads you through Donegal's breathtaking landscapes, where the untamed beauty of the northernmost county of Ireland awaits. Navigate your way to the event through serene roads cutting across the Gaeltacht, rich with the Donegal Irish dialect. The village of Dunlewey, situated at Mount Errigal's base, serves as the gateway to this adventure. Conquer the Seven Sisters mountain range—Errigal, Little Errigal, Aghla More, Ardloughnabrackbaddy, Aghla Beg, Crocknalaragagh, and Muckish—each with its own unique challenge despite their modest heights. Embrace the spirit of these formidable peaks and take your mountain running experience to the next level.